| 单词 | keel-shaped |
| 例句 | The keel-shaped piece, situated in front of the sternum, is also cartilaginous. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z Their skulls are without angles and differ greatly from the keel-shaped skulls. Scientific American Supplement, No. 1157, March 5, 1898 A keel-shaped mound was made of wet sand, about fifteen feet long by two feet high. The Belief in Immortality and the Worship of the Dead, Volume I (of 3) The Belief Among the Aborigines of Australia, the Torres Straits Islands, New Guinea and Melanesia This being the case, it just turns over and swims with its keel-shaped back in the water. The Insect Folk This envelope was attached to a rigid elliptical keel-shaped girder made of steel tubes, which was about a third of the length of the ship. British Airships, Past, Present, and Future The Ichthyornis was a small, tern-like bird with the power of flight strongly developed, as we may gather from the frame of its wings and the keel-shaped structure of its breast-bone. The Story of Evolution The lower keel-shaped part of the same formed the car. British Airships, Past, Present, and Future |
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